JB/T 7384.3-1994 Fastener head height and thickness between slot and support surface inspection die

This standard specifies the type and size of the test die for testing the head height of bolts and screws. This standard is applicable to the fifth item of Table 2 of ZB J130 002.1, and is used with a flat plate and a dial indicator. JB/T 7384.3-1994 Test die for the head height of fasteners and the thickness between the slot and the support surface JB/T7384.3-1994 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T7384.1~7384.18-94
Special Inspection Fixture for Fasteners
Published on 1994-07-26
Ministry of Machinery Industry of the People's Republic of China
Implemented on 1995-07-01
Mechanical Industry Standard of the People's Republic of China
Fastener
Test Die for Head Height and Thickness Between Slot and Support Surface Subject Content and Scope of Application
This standard specifies the type and size of the test die for testing the head height of bolts and screws. This standard is applicable to the fifth item of Table 2 of ZBJ13002.1, and is used in conjunction with a plate and a dial indicator. 2 Reference standards
GB1800
GB1801
GB1802
GB1803
GB/T1804
General Standard tolerances and basic deviations
Tolerances and fits
Tolerances and fits
Sizes up to 500mm hole, shaft tolerance zones and fits JB/T7384.3-94
Tolerances and fits
Sizes greater than 500mm to 3150mm Commonly used hole, shaft tolerance zones Tolerances and fits Sizes up to 18mm hole, shaft tolerance zones General tolerances Unindicated tolerances for linear dimensions
Fasteners Tolerance
Bolts, screws and nuts
ZBJ13002.1
Test methods for fasteners
3 Types and dimensions
Dimensions and geometrical accuracy of bolts, screws, studs and nuts The types and dimensions of the head height inspection die shall be in accordance with the provisions of Figure 1 and Table 1. Approved by the Ministry of Machinery Industry on July 26, 1994
Implementation on July 1, 1995
Thread specifications
Thread specifications
Thread length specifications
JB/T7384.3-94bZxz.net
Note: The basic dimension of @
4 is the effective major diameter. It is the nominal length of the bolt and screw.
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